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參數(shù)資料
| 型號(hào)： | AK4561VQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類(lèi)： | Codec |
| 英文描述： | 16bit CODEC with built-in ALC and MIC/HP-Amp |
| 中文描述： | 16位編解碼器在ALC和內(nèi)置麥克風(fēng)/惠普放大器 |
| 文件頁(yè)數(shù)： | 41/48頁(yè) |
| 文件大?。?/td> | 332K |
| 代理商： | AK4561VQ |
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ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Rev. 0.9
2000/09
- 41 -
(1) Recovery waiting counter reset level (LMTH) or reference value of recovery operation (REF6-0)
(2) Zero crossing timeout (ZTM1-0) & Recovery waiting time (WTM1-0)
Gain Level (RATT)
Zero crossing detect
Limiter detection level (LMTH)
Figure 29. The continuous ALC Recovery Operation
(1). When the input signal exceeds the ALC recovery waiting counter reset level, the ALC recovery operation stops, the
ALC recovery operation is repeated when input signal level is below “LMTH” again. When the IPGA value by
repeating the ALC recovery operation reaches the reference level (REF6-0 bits), the ALC recovery operation stops.
(2). ZTM bit sets zero crossing timeout and WTM bit sets the ALC recovery operation period. When the ALC recovery
waiting time (WTM1-0 bits) is shorter than zero crossing timeout period of ZTM1-0 bit, the ALC recovery is operated
by the zero crossing timeout period of ZTM1-0 bit. Therefore, in this case the auto recovery operation period is not
constant.
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| AK4562 | LOW POWER 20BIT CODEC WITH PGA |
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| AK4563A | Low Power 16bit 4ch ADC & 2ch DAC with ALC |
| AK4563AVF | Low Power 16bit 4ch ADC & 2ch DAC with ALC |
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相關(guān)代理商/技術(shù)參數(shù) |
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| AK4562 | 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.A FOR AK4562 |
| AK4562VN | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH PGA |
| AK4563A | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power 16bit 4ch ADC & 2ch DAC with ALC |
| AK4563AVF | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power 16bit 4ch ADC & 2ch DAC with ALC |
| AK4564 | 制造商:AKM 制造商全稱:AKM 功能描述:16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP |
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